Q: Is 21,513 a Composite Number?

 A: Yes, 21,513 is a composite number.

Why is 21,513 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 21,513 can be evenly divided by 1 3 71 101 213 303 7,171 and 21,513, with no remainder.

Since 21,513 cannot be divided by just 1 and 21,513, it is a composite number.


More Examples

Number 21,51121,51221,51421,515
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 21,513:


Ask a Question